package com.crape.topic.bo;

import com.crape.common.exceptions.BOException;

public interface ISubjectRefBO {

	Integer countSubjectAttention(Long subjectid) throws BOException;

	Integer countSubjectAttention(Long accountid, Long subjectid) throws BOException;

	void addSubjectAttention(Long accountid, Long subjectid) throws BOException;

	void cancelSubjectAttention(Long accountid, Long subjectid) throws BOException;

}
